K(NpO2)(PO4)(H2O)3 Forbes T Z, Burns P C The Canadian Mineralogist 45 (2007) 471-477 The crystal structures of X(NpO2)(PO4)(H2O)3 (X = K+, Na+, Rb+, NH4+) and their relationship to the autunite group Sample: KP1 _database_code_amcsd 0006146 CELL PARAMETERS: 6.9564 6.9564 17.8260 90.000 90.000 90.000 SPACE GROUP: P4/ncc X-RAY WAVELENGTH: 1.541838 Cell Volume: 862.627 Density (g/cm3): 3.569 MAX. ABS. INTENSITY / VOLUME**2: 80.19381819 RIR: 7.316 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.92 100.00 8.9130 0 0 2 2 16.16 42.56 5.4839 1 0 2 8 18.03 39.49 4.9189 1 1 0 4 19.92 5.77 4.4565 0 0 4 2 20.62 38.36 4.3066 1 1 2 8 23.71 73.91 3.7525 1 0 4 8 25.61 42.54 3.4782 2 0 0 4 27.53 53.55 3.2402 2 0 2 8 30.43 29.45 2.9372 2 1 2 16 32.66 6.22 2.7419 2 0 4 8 32.78 19.22 2.7322 1 0 6 8 35.18 11.64 2.5509 2 1 4 16 35.29 2.77 2.5431 1 1 6 8 36.53 8.01 2.4595 2 2 0 4 37.95 18.93 2.3709 2 2 2 8 40.18 6.96 2.2441 3 0 2 8 40.48 5.58 2.2283 0 0 8 2 41.03 19.64 2.1998 3 1 0 8 41.96 2.24 2.1533 2 2 4 8 42.05 18.65 2.1486 2 1 6 16 42.32 14.72 2.1357 3 1 2 16 42.60 6.28 2.1220 1 0 8 8 44.02 16.95 2.0570 3 0 4 8 44.64 6.39 2.0297 1 1 8 8 48.26 6.52 1.8857 3 2 2 16 48.52 3.55 1.8763 2 0 8 8 49.89 8.39 1.8280 3 0 6 8 50.37 6.03 1.8115 2 1 8 16 51.25 2.22 1.7826 0 0 10 2 51.62 12.06 1.7706 3 2 4 16 51.70 1.51 1.7679 3 1 6 16 52.63 6.24 1.7391 4 0 0 4 53.70 5.75 1.7069 4 0 2 8 54.77 7.39 1.6759 1 1 10 8 55.43 2.32 1.6577 4 1 2 16 56.09 3.94 1.6396 3 3 0 4 56.83 1.09 1.6201 4 0 4 8 56.91 8.79 1.6181 3 2 6 16 57.12 3.90 1.6126 3 3 2 8 57.35 3.05 1.6067 3 0 8 8 58.15 5.02 1.5864 2 0 10 8 58.49 7.35 1.5779 4 1 4 16 59.00 8.98 1.5655 3 1 8 16 59.42 6.82 1.5555 4 2 0 8 60.41 5.76 1.5323 4 2 2 16 63.33 1.15 1.4686 4 2 4 16 63.40 4.07 1.4671 4 1 6 16 63.81 3.18 1.4586 3 2 8 16 64.10 1.24 1.4527 1 0 12 8 64.57 2.82 1.4434 2 2 10 8 65.66 2.96 1.4221 1 1 12 8 67.65 8.91 1.3850 3 1 10 16 68.22 1.41 1.3746 5 0 2 8 68.22 2.16 1.3746 4 3 2 16 68.43 1.52 1.3710 4 0 8 8 68.71 1.88 1.3661 2 0 12 8 68.82 1.71 1.3643 5 1 0 8 69.73 2.38 1.3486 5 1 2 16 69.94 1.92 1.3451 4 1 8 16 70.97 1.21 1.3281 5 0 4 8 70.97 4.05 1.3281 4 3 4 16 71.43 2.64 1.3206 3 3 8 8 74.17 1.04 1.2784 5 2 2 16 74.37 1.73 1.2755 4 2 8 16 74.64 1.03 1.2716 2 2 12 8 75.45 3.39 1.2600 4 3 6 16 75.45 1.81 1.2600 5 0 6 8 75.98 1.44 1.2525 1 0 14 8 76.53 1.72 1.2448 4 0 10 8 76.83 2.34 1.2407 5 2 4 16 77.54 4.03 1.2311 3 1 12 16 77.64 1.09 1.2297 4 4 0 4 78.52 1.56 1.2182 4 4 2 8 79.41 3.01 1.2068 3 3 10 8 80.51 1.36 1.1930 5 3 0 8 81.20 2.02 1.1846 5 2 6 16 81.38 1.76 1.1825 5 3 2 16 81.57 1.55 1.1801 4 3 8 16 81.72 1.87 1.1784 2 1 14 16 82.26 2.22 1.1720 4 2 10 16 82.99 1.70 1.1635 5 1 8 16 83.35 1.03 1.1594 6 0 0 4 84.22 1.89 1.1497 6 0 2 8 85.63 1.13 1.1343 6 1 2 16 87.38 1.23 1.1161 3 0 14 8 88.20 2.05 1.1077 6 1 4 16 88.90 1.60 1.1009 3 3 12 8 88.98 1.11 1.1001 1 0 16 8 89.00 2.01 1.0999 6 2 0 8 89.86 2.25 1.0916 6 2 2 16 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.